Begin with yourself and propagate the same with whatever means ot time you can spare..no guilt but as a way of living..'A protector of the that which protects us all..without asking.."",promise never ever to litter,always raise a finger when somebody grossly violates or pollutes,walk more,share vehicles,plant trees as celebration for every event of life,avoid plastics at all costs.reuse them,post messages such as these wherever you work.The worst offendors are those rich and poor ,big and small 'vendors'' who earn money from streets and spoil the environment as they earn selfishly.eg.stall owners and larry wallah of eatables who have not spared sacred ganga river banks as dhabbha wallahs ,littering plastics everywhere.railway and bus stops are where we can stand up and spread the message or enforce laws with help of authorities and stall earners there.We must be the most spitting littering polluting big economy of the world,our religious leaders the most hypocrites as maximum damage occurs during those huge meets of all religions and paths or even our own social functions such as marriages in halls or the commonest on the streets ,,Humor can be used as jokes or aisi ki taisi type shows which convinces common people of their folly..Till then keep walking..and get inspired by early morning cleaning staff of the most ostracised communities of our society who religiously broom and collect all that YOU and We all have littered at our night eating stalls streets and just outside our homes..we spoil they continue the cleanliness drive even as their profession..who is more sane??